139882 has 4 divisors (see below), whose sum is σ = 209826. Its totient is φ = 69940.

The previous prime is 139871. The next prime is 139883. The reversal of 139882 is 288931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136161 + 3721 = 369^2 + 61^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (139883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34969 + ... + 34972.

2¹³⁹⁸⁸² is an apocalyptic number.

139882 is a deficient number, since it is larger than the sum of its proper divisors (69944).

139882 is an equidigital number, since it uses as much as digits as its factorization.

139882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69943.

The product of its digits is 3456, while the sum is 31.

The square root of 139882 is about 374.0080213044. The cubic root of 139882 is about 51.9103484821.

The spelling of 139882 in words is "one hundred thirty-nine thousand, eight hundred eighty-two".